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Thursday 30 December 2010

CS201- Introduction to Programming Complete Solved Finalterm Paper 2010

FINALTERM  EXAMINATION
Spring 2010
CS201- Introduction to Programming
Marks: 58 
Question No: 1      ( Marks: 1 ) - Please choose one 
In if structure the block of statements is executed only,
       When the condition is false
       When it contain arithmetic operators
       When it contain logical operators
       When the condition is true 
Question No: 2      ( Marks: 1 ) - Please choose one
Header file: fstream.h includes the definition of the stream classes __________.
       ifstream, fstream, cout
       ifstream, fstream, ofstream
       fstream, cin, cout
       None of the above
Question No: 3      ( Marks: 1 ) - Please choose one 
To access the data members of structure _______ is used.
       dot operator (.)
       * operator
        operatorà
       None of given. 
Question No: 4      ( Marks: 1 ) - Please choose one 
eof( ), bad( ), good( ), clear( ) all are manipulators.
       True
       False 
Question No: 5      ( Marks: 1 ) - Please choose one 
Which kind of functions can access private member variables of a class?
       Friend functions of the class
       Private member functions of the class
       Public member functions of the class
       Friend, private and public functions
Question No: 6      ( Marks: 1 ) - Please choose one
The return type of operator function must always be void.
       True
       False
Question No: 7      ( Marks: 1 ) - Please choose one
Friend function of a class is ______________ .
       Member function
       Non-member function             
       Private function
       Public function
Question No: 8      ( Marks: 1 ) - Please choose one
Function implementation of friend function must be defined outside the class.
        True
       False (any where in the class)
Question No: 9      ( Marks: 1 ) - Please choose one 
The normal source of cin object is,
       File
       Disk
       Keyboard
       RAM
Question No: 10      ( Marks: 1 ) - Please choose one
Which of the following is correct way to initialize a variable x of int type with value 10?
       int x ; x = 10;
       int x = 10;
       int x, x = 10;
       x = 10; ADEEL ABBAs
Question No: 11      ( Marks: 1 ) - Please choose one 
Consider the following code segment. What will be the output of the following program?
int func(int) ;
int num = 10 ;
int main(){
int num ;
num = 5 ;
cout << num ;
cout << func(num) ;
}
int func(int x){
return num ;
}
       5, 5  
       10, 5
       5, 10 
       10, 10
Question No: 12      ( Marks: 1 ) - Please choose one 
With template function, the compiler automatically detects the passed data and generates a new copy of function using passed data.
       True
       False
Question No: 13      ( Marks: 1 ) - Please choose one
What will be the correct syntax to declare two-dimensional array of float data type?
       float arr{2}{2} ;
       float arr[2][2] ;
       float arr[2,2] ;
       float[2][2] arr ;   
Question No: 14      ( Marks: 1 ) - Please choose one
The first parameter of operator function for << operator,
       Must be passed by value
       Must be passed by reference
       Can be passed by value or reference
       Must be object of class 
Question No: 15      ( Marks: 1 ) - Please choose one
Heap is constantly changing in size.
       True
       False
Question No: 16      ( Marks: 1 ) - Please choose one
While calling function, the arguments are assigned to the parameters from
       left to right.
       right to left 
       no specific order is followed
       none of the given options.
Question No: 17      ( Marks: 1 ) - Please choose one
Classes defined inside other classes are called ________ classes
       looped
       nested
       overloaded
       none of the given options.
Question No: 18      ( Marks: 1 ) - Please choose one
If we define an identifier with the statement #define PI 3.1415926 then during the execution of the program the value of PI __________
       can not be replace
       None of the given options
       Remain constant.
       can be changed by some operation 
Question No: 19      ( Marks: 1 ) - Please choose one 
Which value is returned by the destructor of a class?
       A pointer to the class.
       An object of the class.
       A status code determining whether the class was destructed correctl
       Destructors do not return a value.
Question No: 20      ( Marks: 1 ) - Please choose one 
Every class contains _______________.
       Constructor
       Destructor
       Both a constructor and a destructor
       None of the given options
Question No: 21      ( Marks: 1 ) - Please choose one
A template function must have
       One or more than one arguments
       Only one argument
       Zero argument
       None of the given options 
ADEEL ABBAs
Question No: 22      ( Marks: 1 ) - Please choose one 
Structured Query Language is used for ______________
       Databases Management
       Networks
       Writing Operating System
       none of the given options
Question No: 23      ( Marks: 1 ) - Please choose one 
When a call to a user-defined function finishes, the variable defined inside the function is still in existence.
       True
       False
Question No: 24      ( Marks: 1 ) - Please choose one 
The precedence of an operator can be changed through operator overloading.
       True
       False
Question No: 25      ( Marks: 1 ) - Please choose one
A Matrix can be composed of ints, floats or doubles as their elements. Best way is to handle this , _______________
       Write a separate class to handle each
       Use templates
       Use strings to store all types
       None of the given options
A Matrix can be composed of ints, floats or doubles as their elements. Instead of handling these data types separately, we can write Matrix class as a template class and write code once for all native data types.
Write Matrix class as a template class and write code once for all native data types
Question No: 26      ( Marks: 1 ) - Please choose one
"delete" operator is used to return memory to free store, which is allocated by the "new" operator.
       True
       False
Question No: 27      ( Marks: 2 )
What is the difference between switch statement and if statement.
Question No: 28      ( Marks: 2 ) 
How can we initialize data members of contained object at construction time?
Question No: 29      ( Marks: 2 ) 
How the data members of a class are initialized with meaningful values?
Question No: 30      ( Marks: 2 )
Can we overload new and delete operators?
Question No: 31      ( Marks: 3 )
What will be the output of following functions if we call these functions three times?
1)
void func1(){
int x = 0;
x++;
cout << x << endl;
}
2)
void func2(){
static int x = 0 ;
x++;
cout << x << endl ;
 
Question No: 32      ( Marks: 3 )
 What is the keyword ‘this’ and what are the uses of ‘this’ pointer?
Question No: 33      ( Marks: 3 )
Suppose an object of class A is declared as data member of class B.
(i) The constructor of which class will be called first?
(ii) The destructor of which class will be called first?
Question No: 34      ( Marks: 5 )
Write the general syntax of a class that has one function as a friend of a class along with definition of friend function.
Question No: 35      ( Marks: 5 )
Write down the disadvantages of the templates.
Question No: 36      ( Marks: 5 )
Write a program which defines five variables which store the salaries of five employees, using setw and setfill manipulators to display all these salaries in a column.
Note: Display all data with in a particular width and the empty space should be filled with character x
Output should be displayed as given below:
xxxxxx1000
xxxxxx1500
xxxxx20000
xxxxx30000
xxxxx60000

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